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2026-06-20 - 12:44
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sat Jun 20, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18755212844,7sleep10-21swapper/119:06:511
18751212465,6sleep20-21swapper/219:06:472
188292114104,7sleep30-21swapper/319:07:483
18687210797,7sleep00-21swapper/019:05:570
13932620,0sleep20-21swapper/200:35:182
37952550,0sleep00-21swapper/000:10:120
286222450,0sleep128630-21kthreadcore22:05:191
19166993936,2cyclictest0-21swapper/121:10:111
1916699330,31cyclictest0-21swapper/120:25:111
1917199280,27cyclictest0-21swapper/221:58:442
1917199271,25cyclictest0-21swapper/200:02:182
1917199270,26cyclictest0-21swapper/223:50:242
1916699270,26cyclictest0-21swapper/123:29:061
1916699270,26cyclictest0-21swapper/122:53:261
1916699270,26cyclictest0-21swapper/122:46:271
1916699270,26cyclictest0-21swapper/122:43:201
1916699270,26cyclictest0-21swapper/122:04:081
1916699270,26cyclictest0-21swapper/122:04:081
1916699270,26cyclictest0-21swapper/120:57:221
1916699270,26cyclictest0-21swapper/120:36:581
1916699270,26cyclictest0-21swapper/120:05:551
1916699270,26cyclictest0-21swapper/119:38:481
1916699270,26cyclictest0-21swapper/100:38:061
1916699270,26cyclictest0-21swapper/100:32:431
1916699270,17cyclictest0-21swapper/122:20:111
1917199260,25cyclictest0-21swapper/220:49:222
1917199260,25cyclictest0-21swapper/200:10:032
1916699260,25cyclictest0-21swapper/121:07:481
1916699260,25cyclictest0-21swapper/120:51:491
1916699260,25cyclictest0-21swapper/120:23:101
1916699260,25cyclictest0-21swapper/120:15:101
1916699260,25cyclictest0-21swapper/100:26:121
19171992521,3cyclictest0-21swapper/220:25:222
1917199240,23cyclictest0-21swapper/221:38:562
19166992417,7cyclictest0-21swapper/119:18:341
19171992321,2cyclictest0-21swapper/200:31:332
1917199230,22cyclictest0-21swapper/223:30:102
1917199230,22cyclictest0-21swapper/222:11:052
19166992316,7cyclictest0-21swapper/123:50:551
1916699230,2cyclictest0-21swapper/119:45:101
1917199221,3cyclictest0-21swapper/220:52:252
1917199221,3cyclictest0-21swapper/220:02:012
1917199221,20cyclictest0-21swapper/221:49:442
1917199220,21cyclictest0-21swapper/221:22:552
1917199220,21cyclictest0-21swapper/221:16:552
1917199220,21cyclictest0-21swapper/219:16:482
1917199220,21cyclictest0-21swapper/200:26:332
1916699221,3cyclictest0-21swapper/123:37:531
1916699220,21cyclictest0-21swapper/123:40:271
1916699220,21cyclictest0-21swapper/120:42:101
1916699220,21cyclictest0-21swapper/100:22:491
1915899228,9cyclictest0-21swapper/020:25:200
1915899228,9cyclictest0-21swapper/019:15:220
1915899227,14cyclictest0-21swapper/020:35:230
1915899226,14cyclictest0-21swapper/023:45:190
19171992119,2cyclictest0-21swapper/222:19:112
19171992119,1cyclictest749-21snmpd20:18:572
19171992118,2cyclictest4749-21munin-plugin-st22:45:002
19171992117,2cyclictest27235-21cron23:05:002
19171992117,2cyclictest23405-21/usr/sbin/munin22:00:202
19171992117,2cyclictest23405-21/usr/sbin/munin22:00:202
1917199210,20cyclictest0-21swapper/219:54:242
1917199210,20cyclictest0-21swapper/200:07:122
19166992118,3cyclictest0-21swapper/121:22:011
19166992116,4cyclictest0-21swapper/121:27:531
1916699210,3cyclictest0-21swapper/119:33:311
1916699210,20cyclictest0-21swapper/122:35:441
1916699210,20cyclictest0-21swapper/122:27:531
1916699210,20cyclictest0-21swapper/122:15:261
1916699210,20cyclictest0-21swapper/121:57:531
1916699210,20cyclictest0-21swapper/119:29:371
1915899216,14cyclictest0-21swapper/021:30:220
19158992119,1cyclictest749-21snmpd20:01:240
1915899210,20cyclictest0-21swapper/022:00:150
1915899210,20cyclictest0-21swapper/022:00:150
1915899210,20cyclictest0-21swapper/000:21:240
2689222010,3sleep30-21swapper/323:00:363
1917199206,13cyclictest0-21swapper/220:05:282
19171992018,1cyclictest749-21snmpd23:36:382
19171992018,1cyclictest749-21snmpd23:27:382
19171992018,1cyclictest749-21snmpd20:59:122
19171992018,1cyclictest749-21snmpd19:48:012
19171992017,2cyclictest749-21snmpd19:31:402
19171992016,3cyclictest0-21swapper/221:29:172
19171992016,2cyclictest14693-21munin-run22:25:002
1917199200,1cyclictest0-21swapper/221:43:262
1917199200,19cyclictest0-21swapper/223:10:112
1917199200,19cyclictest0-21swapper/221:34:442
1917199200,19cyclictest0-21swapper/221:09:072
1917199200,19cyclictest0-21swapper/200:20:202
19166992018,2cyclictest0-21swapper/119:55:281
19166992017,3cyclictest0-21swapper/123:57:271
19166992016,3cyclictest0-21swapper/122:31:381
1916699200,3cyclictest0-21swapper/120:45:161
1916699200,2cyclictest0-21swapper/123:20:171
1916699200,2cyclictest0-21swapper/123:10:591
1916699200,2cyclictest0-21swapper/123:01:051
1916699200,2cyclictest0-21swapper/121:15:191
1916699200,19cyclictest0-21swapper/123:08:291
1916699200,19cyclictest0-21swapper/121:52:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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